Iron exhibits $+2$ and $+3$ oxidation states. Which of the following statements is incorrect for iron?
- AFerrous oxide is more basic than ferric oxide.
- BFerrous compounds are more ionic than ferric compounds.
- CFerrous compounds are less stable than ferric compounds.
- DFerrous compounds are more easily hydrolysed than ferric compounds.
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Arrange the oxides $CrO$,$CrO_3$,and $Cr_2O_3$ in the decreasing order of acidic strength.
Explain the trends in $M^{2+}/M$ standard electrode potentials.
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View SolutionThe set of correct statements is:
$(i)$ Manganese exhibits $+7$ oxidation state in its oxide.
$(ii)$ Ruthenium and Osmium exhibit $+8$ oxidation state in their oxides.
$(iii)$ $Sc$ shows $+4$ oxidation state which is oxidizing in nature.
$(iv)$ $Cr$ shows oxidizing nature in $+6$ oxidation state.
$(i)$ Manganese exhibits $+7$ oxidation state in its oxide.
$(ii)$ Ruthenium and Osmium exhibit $+8$ oxidation state in their oxides.
$(iii)$ $Sc$ shows $+4$ oxidation state which is oxidizing in nature.
$(iv)$ $Cr$ shows oxidizing nature in $+6$ oxidation state.
Which transition metal reacts with steam to produce hydrogen gas?
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View SolutionAll $Cu(II)$ halides are known except $CuI_2$,because ....
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